EP3437796B1 - Procédé de mesure de baguettes de support et / ou d'outils comportant au moins une réglette de coupe - Google Patents

Procédé de mesure de baguettes de support et / ou d'outils comportant au moins une réglette de coupe Download PDF

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Publication number
EP3437796B1
EP3437796B1 EP18187181.5A EP18187181A EP3437796B1 EP 3437796 B1 EP3437796 B1 EP 3437796B1 EP 18187181 A EP18187181 A EP 18187181A EP 3437796 B1 EP3437796 B1 EP 3437796B1
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EP
European Patent Office
Prior art keywords
tool
unit
support
bar
cutting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP18187181.5A
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German (de)
English (en)
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EP3437796A1 (fr
Inventor
Christian Pfau
Alexander Zoller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
E Zoller GmbH and Co KG Einstell und Messgeraete
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E Zoller GmbH and Co KG Einstell und Messgeraete
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Priority claimed from DE102017121427.5A external-priority patent/DE102017121427A1/de
Application filed by E Zoller GmbH and Co KG Einstell und Messgeraete filed Critical E Zoller GmbH and Co KG Einstell und Messgeraete
Publication of EP3437796A1 publication Critical patent/EP3437796A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
    • B23Q17/2452—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for measuring features or for detecting a condition of machine parts, tools or workpieces
    • B23Q17/2457—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for measuring features or for detecting a condition of machine parts, tools or workpieces of tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
    • B23Q17/0904—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool before or after machining
    • B23Q17/0919—Arrangements for measuring or adjusting cutting-tool geometry in presetting devices
    • B23Q17/0933—Cutting angles of milling cutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
    • B23Q17/248—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves using special electromagnetic means or methods
    • B23Q17/249—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves using special electromagnetic means or methods using image analysis, e.g. for radar, infrared or array camera images

Definitions

  • the invention relates to a method for measuring support strips and/or tools having at least one cutting strip according to claim 1.
  • Such a method and tools are from the DE 43 43 404 A1 known.
  • the object of the invention is in particular to provide a method for measuring support strips and/or at least one cutting strip with high setting accuracy.
  • the object is achieved according to the invention by the features of claim 1, while advantageous refinements and developments of the invention can be found in the dependent claims.
  • a method with the features of claim 1 is proposed. This can advantageously a high
  • Setting accuracy are made possible, in particular by at least one setting parameter of the tool, such as a concentricity.
  • a current state of the measured and/or inspected tool can advantageously be registered by detecting support strips and/or at least one cutting strip, as a result of which faulty tools in particular can be identified.
  • damage to the tool during a measurement process can advantageously be avoided by means of a non-contact measurement.
  • the operating effort can advantageously be reduced, as a result of which incorrect measurements caused by operating errors can be avoided in a particularly advantageous manner.
  • the optics unit can in particular include at least one light sensor, for example a CCD sensor, at least one arrangement of optical elements such as lenses and/or mirrors and/or at least one lens. It is also conceivable that the optics unit comprises at least one light source, in particular an infrared light source, a visible light source, an ultraviolet light source and/or preferably a light source which emits a combination of visible and invisible light.
  • the optics unit particularly preferably comprises at least one measuring arrangement with a reflected-light camera and/or a measuring arrangement with a transmitted-light camera, with each of the measuring arrangements preferably comprising at least one light source and at least one light detector.
  • a non-contact, in particular optical measurement can be carried out in particular by means of a reflection, an absorption and/or an emission of at least one electromagnetic wave and/or at least one electromagnetic spectrum.
  • the non-contact measurement preferably takes place automatically and/or independently of operator intervention.
  • the tool setting and/or tool measuring device comprises a control unit which is at least provided for an automatic measurement process by means of special programming and/or to control an automatic inspection process of at least one support strip and/or at least one cutting strip.
  • the control unit is designed at least partially in one piece with the support and/or cutting strip detection unit.
  • the support and/or cutting stick detection unit is provided in particular to detect at least one supporting stick parameter and/or at least one cutting stick parameter, in particular automatically controlled.
  • the support strip parameter can in particular at least one spatial position of at least one support strip, at least one support surface of at least one support strip and/or at least one support strip edge of at least one support strip in at least one, preferably in at least two or preferably in three spatial directions, in particular relative to a rotational axis of the tool and/or or relative to another support bar of the tool.
  • the support slat parameter can include at least one surface quality, in particular an evenness, of at least one surface of a support slat, in particular of the support surface, at least one edge quality, in particular straightness, of at least one edge of at least one support slat, at least a number of support slats and/or at least one include, in particular, calculated trajectories of a support bar during a rotation about the axis of rotation of the tool, in particular the reamer.
  • the cutting stick parameter can in particular include at least one spatial position of at least one cutting stick, at least one surface of at least one cutting stick and/or at least one cutting edge and/or cutting edge of at least one cutting stick in at least one, preferably in at least two or preferably in three spatial directions, in particular relative to an axis of rotation of the tool and/or relative to a support bar of the tool.
  • the cutting stick parameter can have at least one surface quality, in particular a flatness, of at least one surface of a cutting stick, at least one edge quality, in particular straightness, of at least one cutting edge and/or cutting edge of at least one cutting stick, at least a number of cutting sticks and/or include at least one, in particular calculated, trajectory of a cutting bar during a rotation about the axis of rotation of the tool, in particular the reamer.
  • Non-contact detection is to be understood in particular as at least optical detection, with other detection methods being conceivable in particular, such as inductive, capacitive and/or acoustic detection, for example using ultrasonic waves.
  • the support and/or cutting strip detection unit preferably detects at least part of a support strip and/or the cutting strip using the incident light camera and/or the transmitted light camera.
  • “Provided” should be understood to mean, in particular, specially programmed, designed and/or equipped.
  • the fact that an object is provided for a specific function is to be understood in particular to mean that the object fulfills and/or executes this specific function in at least one application and/or operating state.
  • the support bar can be designed in particular as a guide bar.
  • the support strips are provided for guiding the tool, in particular at least by means of a three-point contact in a recess to be machined, in particular in a bore.
  • the tool in particular the reamer, is supported by means of the support strips and/or with the cutting strip, in particular the cutting edge, during use of the tool, in particular during reaming, on the walls of the recess to be machined, in particular the bore.
  • the tool in particular the reamer, preferably has at least two, preferably at least three, support strips. Alternatively, it is conceivable that the tool, in particular the reamer, has more than three support strips.
  • the cutting bar is intended in particular for machining a workpiece by means of machining.
  • a detection of the support strips and/or at least one cutting strip preferably serves to check and/or inspect a tool, which takes place in particular in advance of a tool measurement and/or tool setting by the tool setting and/or tool measuring device. It is conceivable that a negative test result, in particular a detection of damage and/or contamination on the tool to be measured and/or adjusted, prevents a subsequent tool measurement and/or tool adjustment.
  • defective tools can advantageously be sorted out in advance of a measurement, adjustment and/or use, as a result of which time and/or costs can advantageously be saved.
  • The, in particular automated, testing and/or inspection of the tool by detecting the support strips and/or the cutting strips can be selectively switched on or off before a tool measurement and/or tool setting process.
  • a documentation of a tool status can be made possible, whereby, for example, in the event of a complaint, it can be advantageously made verifiable whether a tool was already faulty before a measurement and/or adjustment. In this way, finding error sources can advantageously be optimized.
  • At least one method step preferably in a plurality of method steps, at least one, preferably at least two, preferably at least three, supporting strips and/or at least one cutting strip of the tool, in particular the reamer, be removed from the supporting and/or Cutting strip detection unit are optically detected at least by means of a transmitted-light camera of the optical unit, in particular automated at least to a large extent.
  • a high setting accuracy can advantageously be made possible, in particular of at least one setting parameter, for example the concentricity, of the tool.
  • a current state of the measured tool, in particular its supporting strips and/or cutting edges can advantageously be registered, as a result of which faulty tools in particular can be identified.
  • the support and/or cutting strip detection unit is in particular formed at least partially in one piece with the optics unit.
  • the fact that two units are designed “partially in one piece” is to be understood in particular as meaning that the units have at least one, in particular at least two, advantageously at least three common elements that are a component, in particular a functionally important component, of both units.
  • Method steps for detecting support strips and/or cutting strips preferably run, such as rotating the support strip and/or the cutting strip into a field of view of the optics unit, focusing the optics unit, recording visual data using the optics unit and/or analyzing them using the optics unit recorded data by means of the support and/or cutting strip detection unit, automatically, preferably controlled by the control unit of the tool setting and/or tool measuring device by means of special programming.
  • a concentricity of the tool, in particular the reamer, from a concentricity detection unit of the support and/or cutting strip detection unit, in particular by means of data from the support and/or cutting strip detection unit, preferably automated at least to a large extent, without contact is detected.
  • simple concentricity detection of a tool can advantageously be made possible, which can take place in particular without contact, in a manner that is gentle on the tool and/or independently of a rotation of the tool.
  • a concentricity setting of a tool and/or a concentricity determination of a tool can advantageously be simplified.
  • a concentricity test of a tool and/or a concentricity adjustment of a tool can advantageously be made possible independently of concentricity test surfaces of the tool, exclusively on the basis of, in particular at least two, preferably at least three, support strips.
  • the concentricity detection unit is in particular at least partially formed in one piece with the support and/or cutter bar detection unit.
  • the concentricity detection unit is in particular formed at least partially in one piece with the optics unit.
  • the concentricity detection unit is in particular at least partially formed in one piece with the control unit.
  • the concentricity of a tool is preferably calculated by means of the concentricity detection unit by a control unit of the tool setting and/or tool measuring device on the basis of data from the support and/or cutting strip detection unit and/or the optics unit.
  • a "control unit” is to be understood in particular as an electronic unit which is preferably at least partially integrated in a control and/or regulation unit of a tool setting and/or tool measuring device and which is preferably provided for the purpose of at least the concentricity detection unit, at least the support and /or to control and/or regulate the cutting strip detection unit, at least the optics unit, at least one contour inspection unit, at least one surface inspection unit and/or at least one output unit.
  • control unit comprises an arithmetic unit and, in particular, in addition to the arithmetic unit, a memory unit with a control and/or regulation program stored therein, which is intended to be executed by the arithmetic unit.
  • the memory unit can in particular include a RAM, in particular a hard disk and/or a flash memory.
  • a precise determination of the concentricity, in particular a deviation of the concentricity from a target concentricity, can advantageously be made possible.
  • a concentricity test of a tool and/or concentricity adjustment of a tool can advantageously be carried out independently of Run-out test surfaces of the tool exclusively on the basis of, in particular at least two, preferably at least three, support strips.
  • the concentricity detection unit preferably forms a center point, in particular by means of the control unit, from a spatial distribution, in particular of the support surfaces and/or the support strip edges, of at least two, preferably of at least three, preferably of at least four and/or particularly preferably of at least five support strips,
  • the spatial distribution for calculating the center point corresponds to a distribution on a two-dimensional plane whose surface normal runs parallel to an axis of rotation of the tool, in particular the reamer.
  • the center point is preferably a center point of a circle formed by the at least two, preferably by the at least three, support surfaces, in particular in a top view, with at least part of the support surface of at least one support strip and/or at least one support surface edge of at least one Support surface forms a point which can be used to calculate the circle.
  • a "spatial position of a support strip” is intended to mean, in particular, a position of a point on the support strip, preferably an edge and/or surface point of the support strip, on a two-dimensional plane which has a surface normal that is parallel to the axis of rotation of the tool, in particular the reamer , runs, to be understood. All spatial positions used to calculate the center point preferably lie on the same plane having a surface normal running parallel to the axis of rotation of the tool.
  • a position of a common center point of the, in particular at least two, preferably at least three, support strips is determined by the concentricity detection unit by means of the control unit of the tool setting and/or tool measuring device, preferably by means of special programming of the control unit with a position of a rotation axis of the tool, in particular the reamer is adjusted, in particular automated at least to a large extent.
  • a concentricity test of a tool and/or concentricity adjustment of a tool can advantageously be made possible independently of concentricity test surfaces of the tool, exclusively on the basis of, in particular at least two, preferably at least three, support strips.
  • the position of the common center point of the support strips determined by the concentricity detection unit using the control unit and the position of the axis of rotation, which are compared in particular by the concentricity detection unit using the control unit lie on a calibration plane which has a surface normal that is perpendicular to the axis of rotation of the tool, especially the reamer.
  • the position of the axis of rotation is designed as the point of intersection of the axis of rotation with the adjustment plane.
  • the calibration parameter can in particular include at least one distance, at least one angle, at least one quality variable, in particular a concentricity quality variable and/or a parameter for a setting dimension.
  • the adjustment parameter is preferably used to determine an adjustment variable for a concentricity correction.
  • the tool, in particular the reamer is intended to rotate about the axis of rotation of the tool, in particular the reamer, in particular during normal operation.
  • the tool, in particular the reamer preferably comprises at least one shank which is at least essentially rotationally symmetrical to the axis of rotation. “Essentially rotationally symmetrical” is to be understood in particular as meaning that at most 2%, preferably at most 5%, advantageously at most 10%, preferably at most 20% or particularly preferably at most 25% of a component is rotationally asymmetrical.
  • At least one parameter for a setting dimension of the support strips to superimpose a center point of the support strips with a Axis of rotation of the tool, in particular the reamer, in particular automated at least to a large extent is determined.
  • a precise concentricity adjustment, in particular concentricity correction can advantageously be made possible.
  • user-friendliness can be increased.
  • time can advantageously be saved, in particular when adjusting the concentricity, in particular by avoiding adjusting the support strips using a trial-and-error method, in which an operator must check concentricity again after each adjustment.
  • a setting measure can be in particular as a screw, in particular as a jacking screw, of the tool, in particular of the reamer, which is provided in particular for adjusting at least one spatial position of a support strip, and/or as a further element which is provided for this purpose, a spatial position to make and/or allow the support strip to be designed.
  • a parameter for an adjustment dimension can in particular be a number of revolutions of at least one screw, at least one direction of rotation of at least one screw, at least one specification for a change in position of at least one support bar, in particular a distance of the support bar from the axis of rotation and/or at least one other parameter, the adjustment of which influences the concentricity of the tool, in particular the reamer.
  • an automatic positioning of the tool by a positioning unit of the tool setting and/or tool measuring device, in particular the reamer, in at least one adjustment position of the tool, in particular the reamer is carried out on the basis of data recorded by means of the support and/or cutting strip detection unit.
  • the positioning unit is preferably designed as a rotating unit, which is provided to move and/or in particular to fix the tool, in particular the reamer, in a rotational position.
  • the positioning unit is preferably designed at least partially in one piece with a tool holder of the tool setting and/or tool measuring device.
  • the adjustment position includes at least one position of the tool, in particular the reamer, in relation to the tool setting and/or tool measuring device, which is intended to allow an operator to easily reach a component to be adjusted, in particular a support strip and/or cutting strip to be adjusted close. It is conceivable that in the adjustment position at least one component to be adjusted, in particular at least one support strip and/or cutting strip, is in a field of view of the optics unit, in particular the transmitted-light camera and/or the incident-light camera of the optics unit.
  • the supporting and/or cutting bar and/or an adjustment element of the supporting and/or cutting bar such as the forcing screw, is moved and/or rotated by the positioning unit into a position that is easily accessible for an operator and/or in the Field of view of the transmitted-light camera and/or the reflected-light camera of the optics unit.
  • this process is carried out one after the other for each supporting strip and/or cutting strip of the tool, in particular one that is to be adjusted.
  • an output unit of the tool setting and/or tool measuring device outputs a display of the measured positions of the support strips and/or the cutting strip together with ideal positions of the support strips and/or the cutting strip, in particular in combination with a display of at least one possible modification to a reaching the Ideal positions based on the measured positions of the support bars and/or the cutting bar.
  • an outer contour of at least one supporting strip and/or at least one cutting strip be checked, in particular automatically, for defects by a contour inspection unit of the support and/or cutting strip detection unit by means of the optics unit, in particular by means of a transmitted-light camera of the optics unit is examined.
  • good error detection can advantageously be made possible.
  • defective tools can advantageously be identified and/or sorted out, as a result of which the frequency of production errors can be reduced in particular and/or damage caused by processing a product using defective tools can be avoided.
  • a high accuracy of a concentricity adjustment based on support strips can advantageously be achieved.
  • the contour checking unit preferably examines at least one outer contour of at least one support strip and/or at least one cutting strip for deviations from a straight course.
  • the contour checking unit automatically detects, in particular by means of the control unit, deviations from a target contour, which is stored in particular in the storage unit of the control unit. Deviations from the straight course and/or the target contour are preferably recognized as defects by the contour checking unit, in particular by means of the control unit.
  • a defect may include a nick in the backing bar and/or the cutting bar, a tear in the backing bar and/or the cutting bar, material resting on the backing bar and/or the cutting bar, a bulge in the backing bar and/or the cutting bar and/or a include other deviations from a straight outer contour of the support bar and / or the cutting bar.
  • the contour checking unit is at least partially formed in one piece with the optics unit.
  • the contour checking unit is in particular at least partially formed in one piece with the control unit.
  • the contour inspection unit is in particular formed at least partially in one piece with the support and/or cutting strip detection unit.
  • an outer contour determined by means of the contour checking unit of at least one support strip and/or at least one cutting strip with a, in particular in the Control unit specified, target contour, in particular the support bar and / or the cutting bar, in particular automated at least to a large extent, is adjusted.
  • automatic defect detection can advantageously be improved.
  • good error detection can be made possible as a result.
  • defective tools can advantageously be identified and/or sorted out, as a result of which the frequency of production errors can be reduced in particular and/or damage caused by processing a product using defective tools can be avoided.
  • different target contours for different tools, support strips and/or cutting strips can be stored in the memory unit and can be selected by the control unit for comparison.
  • the target contour is preferably completely straight.
  • an output unit of the tool presetting and/or tool measuring device in particular by means of the control unit, preferably by means of special programming of the control unit, detects a deviation of an outer contour of at least one support strip that has been measured and/or checked by means of the contour checking unit and/or at least one cutting bar is output from a target contour together with a tolerance band, which is in particular adjustable.
  • the output unit preferably includes at least one display, which is preferably a screen is trained.
  • the output unit in particular by means of the control unit, to mark deviations of the outer contour of the support strip and/or the cutting strip from the target contour differently, for example in color, depending on the direction of the deviation.
  • the output unit in particular by means of the control unit, indicates deviations of the outer contour of the support strip and/or the cutting strip from the target contour that go beyond the tolerance band, differently, for example in color.
  • the tolerance band includes a range of acceptable deviations from ideal straightness and/or the target contour.
  • the tolerance range can preferably be adjusted, in particular by an operator, in particular in both directions of deviation.
  • the output of the contour checking unit can preferably be stored, as a result of which a development and/or change to a tool can advantageously be monitored over the course of its service life.
  • an image of at least one support strip and/or an image, in particular automatically recorded and/or automatically composed is recorded by a surface inspection unit of the support and/or cutting strip detection unit by means of the optics unit, in particular by means of the incident light camera of the optics unit at least one cutting strip, preferably a support surface of the support strip and/or a surface of the cutting strip.
  • the surface checking unit preferably examines at least one surface of at least one support strip and/or at least one surface of the cutting strip for deviations from a uniform course.
  • the area testing unit in particular by means of the control unit, automatically detects deviations from a uniform and/or level course. It is also conceivable that the surface inspection unit detects discolouration on the surface. Deviations from the uniform course and/or the uniform coloring are preferably recognized as defects, in particular by means of the control unit.
  • the surface testing unit is at least partially designed in one piece with the optics unit. It is conceivable that the image recorded, in particular automatically composed, by means of the surface inspection unit is made visually available to an operator, preferably by means of the output unit.
  • the output unit in particular by means of the control unit, displays further, in particular older images, in particular of the same tool, a different tool and/or an undamaged example tool by the surface inspection unit for comparison, which advantageously makes it possible to make deviations easily recognizable .
  • the surface inspection unit takes a plurality of individual, in particular automatically exposed, images and combines them, in particular by means of the control unit, to form a single image, which in particular shows the complete support strip and/or cutting strip, in particular the complete support surface of the support strip and/or the complete Surface of the cutting bar, in particular a surface of a chip space of the cutting bar and / or a cutting edge of the cutting bar shows.
  • the surface checking unit is in particular at least partially formed in one piece with the control unit.
  • the surface checking unit is in particular at least partially designed in one piece with the support and/or cutting strip detection unit.
  • the surface inspection unit uses a control unit of the tool setting and/or tool measuring device to carry out automatic image recognition for examining at least one support surface of the support strip and/or at least one surface of the cutting strip for defects.
  • good error detection can advantageously be made possible.
  • faulty tools can be identified and/or are sorted out, which in particular reduces the frequency of production errors and / or damage caused by processing a product can be avoided by faulty tools.
  • a defect may include a nick in the backing bar and/or the cutting bar, a tear in the backing bar and/or the cutting bar, material resting on the backing bar and/or the cutting bar, a bulge in the backing bar and/or the cutting bar and/or a other deviation from a uniform surface of the support bar and/or the surface of the cutting bar.
  • a warning message be triggered by the surface inspection unit and/or by the contour inspection unit when at least one defect location is identified.
  • good error detection can advantageously be made possible.
  • defective tools can advantageously be recognized and/or sorted out, as a result of which the frequency of production errors can be reduced in particular and/or damage caused by processing a product using defective tools can be avoided.
  • simple operability can advantageously be made possible, in particular by error detection being able to be made recognizable independently of operator knowledge.
  • a warning message can include an acoustic signal and/or an optical signal, in particular from the display unit.
  • an automatic measuring and/or setting process of the tool setting and/or tool measuring device is interrupted, which requires user approval.
  • the concentricity is detected by touch at least by a scanning unit of the tool presetter and/or tool measuring device, with the tool, in particular the reamer, being rotated by less than 360° when the concentricity is detected.
  • precise concentricity detection in particular independently of concentricity test surfaces, can advantageously be made possible.
  • a tactile concentricity detection in particular Surface of the tool, in particular the reamer preferably at least the surface of at least one support strip, preferably at least two, preferably at least three, support strips brought into physical contact with at least one button of the touch unit.
  • Concentricity and/or a parameter for a setting dimension can advantageously be determined from the position of the support strips.
  • a tactile detection of the support strips can advantageously be made possible by rotating the tool, in particular the reamer, through an angle of less than 360°, in particular since each support strip can be approached within this angle, which advantageously enables rapid concentricity detection.
  • a tool presetting and/or tool measuring device with a support and/or cutting stick detection unit which is provided to record at least one parameter of at least one tool, in particular a reamer and/or at least one supporting stick and/or at least one cutting stick of a tool, in particular a Reamer, preferably automated at least to a large extent, proposed.
  • a high setting accuracy can advantageously be made possible, in particular of at least one setting parameter, for example concentricity, of the tool.
  • a current state of the measured tool can advantageously be registered by detecting support strips and/or cutting strips, as a result of which faulty tools in particular can be identified.
  • the parameter includes the concentricity of the tool, in particular the reamer, the position of the tool, in particular the reamer, a condition of the tool, in particular the reamer, in particular a surface condition and/or a contour condition and/or a condition of the tool, in particular the reamer , especially with respect to a defect density.
  • the parameter includes the surface finish of the Surface of at least one support strip and/or at least one cutting strip, in particular the supporting surface quality of at least one supporting strip, the edge quality of at least the supporting strip edge of at least one supporting strip and/or the quality of the blade, in particular the cutting edge of the cutting strip.
  • a system is proposed with at least one tool setting and/or tool measuring device with a support and/or cutting strip detection unit and with at least one tool, in particular a reamer, in particular having support strips and/or at least one cutting strip.
  • a high setting accuracy can advantageously be made possible.
  • the method according to the invention, the tool setting and/or tool measuring device according to the invention and/or the system according to the invention should not be limited to the application and embodiment described above.
  • the method according to the invention, the tool setting and/or tool measuring device according to the invention and/or the system according to the invention can have a number of individual elements, components and units that differs from the number specified here in order to fulfill a function described herein.
  • the tool 12 is designed as a reamer 20.
  • the tool 12 has a cutting bar 108 (cf. 8 ).
  • the cutting bar 108 has a knife 50 (cf. 3 ).
  • the cutting bar 108 has a surface 110 .
  • the knife 50 has a Blade 18 and/or a cutting edge 112.
  • the reamer 20 is designed as a single-blade reamer. Alternatively, the reamer 20 can have more than one cutting edge 18 .
  • the tool 12 is intended to rotate in an operation in a direction of rotation 52 about an axis of rotation 30 (cf. 4 ).
  • the tool 12 has a base body 58 .
  • the base body 58 has a depression 56 designed as a chip space 54 .
  • the depression 56 is arranged in front of the knife 50 in the direction of rotation 52 .
  • the tool 12 has a shank 102 .
  • the reamer 20 has three support strips 10 .
  • Each support bar 10 has a support surface 44 .
  • Each slat 10 has a first slat edge 60 .
  • Each slat 10 has a second slat edge 62 .
  • the support bar 10 has at least one setting dimension 106 .
  • the adjustment dimension 106 is intended to change a spatial position of the support bar 10 .
  • the adjustment dimension 106 is designed as at least one screw connection.
  • the tool setting and/or tool measuring device 14 has a tool holder 64 .
  • the tool holder 64 is intended to fix a tool 12 in relation to the tool setting and/or tool measuring device 14 .
  • the tool setting and/or tool measuring device 14 has an optical unit 16 .
  • the optics unit 16 has a transmitted-light camera 24 .
  • the optics unit 16 is movably mounted, in particular relative to the tool holder 64 .
  • the optics unit 16 has a light source 66 .
  • the tool setting and/or tool measuring device 14 has a positioning unit 68 .
  • the positioning unit 68 is provided for positioning a tool 12 fixed in the tool holder 64 in a rotational position, in particular relative to the optics unit 16 .
  • the tool setting and/or tool measuring device 14 has a control unit 28 (cf. 2 ) on.
  • the tool setting and/or tool measuring device 14 has a feeler unit 46 .
  • the key unit 46 has a key 70 .
  • the feeler unit 46 is provided at least for a tactile measurement of at least one support strip 10 and/or at least one cutting strip 108.
  • the button 70 can be retracted and extended.
  • the tool setting and/or tool measuring device 14 has a support and/or cutting strip detection unit 22 .
  • the support and/or cutting strip detection unit 22 is provided at least to detect at least one parameter of the tool 12 .
  • the support and/or cutting strip detection unit 22 is provided at least to detect at least one parameter of at least one support strip 10 and/or at least one cutting strip 108 of the tool 12.
  • the support and/or cutting strip detection unit 22 detects at least one parameter of the tool 12 by means of the optics unit 16 and/or by means of the feeler unit 46.
  • the tool setting and/or tool measuring device 14 has an output unit 38.
  • the output unit 38 includes a screen 104.
  • the output unit 38 is provided at least for the purpose of outputting and/or visualizing at least one detected parameter.
  • the support and/or cutting strip detection unit 22 has a concentricity detection unit 26 (cf. 7 ).
  • the concentricity detection unit 26 is provided to detect concentricity of the tool 12 .
  • the concentricity detection unit 26 uses the control unit 28 to calculate the concentricity of the tool 12 on the basis of spatial positions of the support strips 10 detected by means of the optics unit 16 and/or by means of the feeler unit 46.
  • the concentricity detection unit 26 uses the control unit 28 to provide data about the detected concentricity of the Output unit 38 off. It is conceivable that the output unit 38 outputs a visual output of the run-out measured by the run-out detection unit 26 and/or an ideal run-out.
  • output unit 38 may send at least one specification for setting support strip 10 and/or cutting strip 108 and/or for changing the position of support strip 10 and/or cutting strip 108 and/or at least one value for concentricity and/or to a position of a support bar 10 and/or a cutting bar 108.
  • the support and/or cutting strip detection unit 22 has a contour checking unit 32 (cf. 7 ).
  • the contour checking unit 32 is for this purpose provided, at least one outer contour 34 (cf. 4 ) to detect at least one support strip 10 and/or at least one cutting strip 108 and to automatically examine them for defects.
  • the outer contour 34 of the support strip 10 is designed as a curve running parallel to the axis of rotation 30 on the support surface 44 of the first support strip edge 60 and/or the second support strip edge 62 . It is conceivable that the outer contour 34 of the slat 10 coincides with the first slat edge 60 and/or the second slat edge 62 .
  • the contour checking unit 32 uses the control unit 28 to compare the profile of the outer contour 34 detected by the optics unit 16 and/or the feeler unit 46 with a straight profile and/or with a target contour 36 of the support strip 10 .
  • Target contour 36 is stored in a memory unit 72 of control unit 28 (cf. 2 ).
  • the contour checking unit 32 uses the control unit 28 to output data about the detected outer contour 34 and/or the target contour 36 via the output unit 38 .
  • the output unit 38 provides a visual output of the outer contour 34 measured and/or checked by the contour checking unit 32, the target contour 36, the deviation between the outer contour 34 and the target contour 36 and/or a maximum permitted deviation between the outer contour 34 and the target contour 36 in Outputs the form of a tolerance band 40 (cf. Figures 5a and 5b ).
  • the support and/or cutting strip detection unit 22 has a surface checking unit 42 (cf. 7 ).
  • the surface inspection unit 42 is provided to detect at least one support surface 44 of at least one support strip 10 and/or at least one surface 110 of the cutting strip 108 and to automatically examine it for defects.
  • the surface inspection unit 42 is provided for inspecting the support surface 44 of the support strip 10 and/or the surface 110 of the cutting strip 108 .
  • the area inspection unit 42 uses the optics unit 16 to record individual images of partial areas of the support area 44 and/or the surface 110 .
  • the area checking unit 42 uses the control unit 28 to combine the individual images into an overall image (cf. also 8 ).
  • the surface checking unit 42 detects deviations from a standard surface.
  • the Surface checking unit 42 uses control unit 28 to output data about detected support surface 44 and/or surface 110 , for example the overall image, using output unit 38 . It is conceivable that the output unit 38 outputs a visual output of the support surface 44 and/or surface 110 recorded by the surface inspection unit 42 together with markings of identified defect locations and/or possible defect locations for a visual assessment by an operator (cf. also 8 ).
  • Figures 5a and 5b show outputs of the contour checking unit 32 by the output unit 38.
  • the outer contour 34 is displayed together with the target contour 36 along the length of the support strip 10 (y-direction).
  • a tolerance band 40 with maximum permissible deviations in the +x and -x direction is indicated for the entire length of the support bar 10 in each case.
  • the tolerance band 40 is constant over the entire length of the support strip 10.
  • Deviations of the outer contour 34 from the desired contour 36 in the +x and -x direction are each indicated at the position of an associated y value. It is conceivable that the display of the deviations in +x and -x direction is scalable for better visibility.
  • the deviations shown are exclusively within the tolerance band 40.
  • the in Figure 5b Deviations shown are partially outside the tolerance band 40 and form a defect.
  • a warning message for example a red coloring of the area which goes beyond the tolerance band 40, signals the defect location.
  • At least one method step 74 at least one supporting strip 10 and/or or at least one cutting strip 108 of the tool 12 is at least partially detected by the support and/or cutting strip detection unit 22 without contact.
  • at least one further method step 76 the at least three supporting strips 10 and/or the at least one cutting strip 108 of a tool 12 are removed from the supporting and/or Cutting strip detection unit 22 optically detected by means of the transmitted light camera 24 .
  • the concentricity of the tool 12 is detected by the concentricity detection unit 26 without contact.
  • a center point is determined by the concentricity detection unit 26 using the control unit 28 on the basis of spatial positions of the at least three support strips 10.
  • a position of a common center point of the support strips 10 is compared with a position of the axis of rotation 30 by the concentricity detection unit 26 using the control unit 28 .
  • the concentricity detection unit 26 uses the control unit 28 to determine at least one parameter for an adjustment dimension 106 of the support strips 10 for superimposing a center point of the support strips 10 on the axis of rotation 30.
  • the positioning unit 68 automatically positions the tool 12 in at least one adjustment position of the tool 12 on the basis of data recorded by the support and/or cutting strip detection unit 22.
  • the contour checking unit 32 uses the optics unit 16 to examine the outer contour 34 of at least one support strip 10 and/or at least one cutting strip 108 for defects.
  • an outer contour 34 determined by means of the contour checking unit 32 is compared with a target contour 36 by means of the control unit 28 of at least one support strip 10 and/or at least one cutting strip 108.
  • output unit 38 reports a deviation of an outer contour 34, measured and/or checked by means of contour checking unit 32, of at least one support bar 10 and/or at least one cutting bar 108 from a target contour 36 of the support bar 10 and/or the cutter bar 108 are output together with the tolerance band 40.
  • an image of at least one support strip 10 and/or at least one cutting strip 108 is recorded by the surface inspection unit 42 using the optics unit 16.
  • automatic image recognition is performed by surface inspection unit 42 using control unit 28 to examine and/or inspect at least one support surface 44 of support strip 10 and/or at least one surface 110 of cutting strip 108 for defects.
  • a warning message is triggered by the surface inspection unit 42 and/or by the contour inspection unit 32 when at least one defect location is identified.
  • the warning message can include acoustic warnings, for example howling sirens, and/or visual warnings, for example warning lights and/or warning messages from the output unit 38 .
  • the concentricity is tactilely detected by the feeler unit 46.
  • the display 8 shows schematically exemplary displays of the area checking unit 42 as they can be displayed using the output unit 38 .
  • the displays show an overall view of cutter bar 108 in a view looking toward gullet 54 (left), an overall view of cutter bar 108 in a view radially toward cutter bar 108 (middle), and an overall view of backing bar 10 in a view radially toward the Support bar 10 oriented view (right).
  • the cutting strip 108 is held on the tool 12 with a holder 114 .
  • the holder 114 is arranged within the chip space 54 .
  • the cutting bar 108 shown in the output shows damage 116. Damage 116 is in the form of surface damage 120 .
  • the surface damage 120 is designed as a depression, in particular as a flaking off of material.
  • the support bar 10 shown in the issue has Damage 116 on.
  • Damage 116 is in the form of surface damage 120 and/or a crack 118. Cracks 118 can occur in particular if a tool 12, in particular a reamer 20, is insufficiently cooled during a machining operation on a workpiece.
  • a user can advantageously check support strips 10 and cutting strips 108 for damage 116 quickly and easily. As a result, advantageously damaged tools 12 can be sorted out, in particular even before calibration.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Claims (13)

  1. Procédé pour une mesure, en particulier une mesure au moins en grande partie automatisée, des outils (12), notamment des alésoirs (20), comprenant des barres-support (10) et/ou au moins une barre-coupe (108), par le biais d'un appareil de réglage et/ou de mesure d'outil (14) ayant au moins une unité optique (16) pour la mesure sans-contact des outils (12), en particuliers des alésoirs (20), de préférence d'au moins un coupant (18) des alésoirs (20),
    où au moins une barre-support (10) et/ou au moins une barre-coupe (108) d'au moins un outil (12), en particulier alésoir (20), est au moins partiellement enregistrée sans contact par une unité d'enregistrement de barres-support et/ou de barres-coupe (22) de l'appareil de réglage et/ou de mesure d'outil (14),
    caractérisé en ce qu'une concentricité de l'outil (14) est enregistrée sans contact par une unité d'enregistrement de concentricité (26) de l'unité d'enregistrement de barres-support et/ou de barres-coupe (22),
    où pour une superposition d'un centre des barres-support (10) avec un axe rotatif (30) de l'outil (12), en particulier de l'alésoir (20), au moins un paramètre pour une mesure de réglage (106) des barres-support (10) est déterminé par l'unité d'enregistrement de concentricité (26) moyennant une unité de commande (28) de l'appareil de réglage et/ou de mesure d'outil (14) et
    où un positionnement automatique de l'outil (12), en particulier de l'alésoir (20), dans au moins une position d'ajustage de l'outil (12), en particulier de l'alésoir (20), est exécuté par une unité de positionnement (68) de l'appareil de réglage et/ou de mesure d'outil (14) sur la base de données saisies par l'unité d'enregistrement de barres-support et/ou de barres-coupe (22),
    la position d'ajustage étant au moins une position de l'outil (12), en particulier de l'alésoir (20), par rapport à l'appareil de réglage et/ou de mesure d'outil (14), prévue pour faire une barre-support (10) et/ou une barre-coupe (108) à ajuster facilement accessible pour un opérateur.
  2. Procédé selon la revendication 1,
    caractérisé en ce qu'au moins une barre-support (10), préférablement au moins trois barres-support (10), et/ou au moins une barre-coupe (108) de l'outil (12) sont enregistrées optiquement par l'unité d'enregistrement de barres-support et/ou de barres-coupe (22) au moins moyennant une caméra à lumière transmise (24) de l'unité optique (16).
  3. Procédé selon la revendication 1,
    caractérisé en ce qu'un centre est déterminé par l'unité d'enregistrement de concentricité (26) moyennant une unité de commande (28) de l'appareil de réglage et/ou de mesure d'outil (14) sur la base des positions spatiales d'au moins une barre-support (10), de préférence d'au moins trois barres-support (10).
  4. Procédé selon l'une des revendications précédentes,
    caractérisé en ce qu'une position d'un centre conjoint des barres-support (10) est accordée avec une position d'un axe rotatif (30) de l'outil (12), en particulier de l'alésoir (20), par l'unité d'enregistrement de concentricité (26) moyennant une unité de commande (28) de l'appareil de réglage et/ou de mesure d'outil (14).
  5. Procédé selon l'une des revendications précédentes,
    caractérisé en ce qu'un contour extérieur (34) d'au moins une barre-support (10) et/ou d'au moins une barre-coupe (108) est inspecté concernant des points défectueux par une unité d'inspection de contour (32) de l'unité d'enregistrement de barres-support et/ou de barres-coupe (22) moyennant l'unité optique (16).
  6. Procédé selon la revendication 5,
    caractérisé en ce qu'un contour extérieur (34) d'au moins une barre-support (10) et/ou d'au moins une barre-coupe (108), déterminé moyennant l'unité d'inspection de contour (32), est accordé avec un contour prescrit (36) par le biais d'une unité de commande (28) de l'appareil de réglage et/ou de mesure d'outil (14).
  7. Procédé selon la revendication 5 ou 6,
    caractérisé en ce qu'une déviation d'un contour extérieur (34) d'au moins une barre-support (10) et/ou d'au moins une barre-coupe (108), mésuré moyennant l'unité d'inspection de contour (32), d'un contour prescrit (36) est sortie par une unité de sortie (38) de l'appareil de réglage et/ou de mesure d'outil (14) conjointement avec unde bande de tolérance (40).
  8. Procédé selon l'une des revendications précédentes,
    caractérisé en ce qu'une image d'au moins une barre-support (10) et/ou d'au moins une barre-coupe (108) est prise par une unité d'inspection de surface (42) de l'unité d'enregistrement de barres-support et/ou de barres-coupe (22) moyennant l'unité optique (16).
  9. Procédé selon la revendication 8,
    caractérisé en ce que pour l'inspection d'au moins une surface d'appui (44) de la barre-support (10) et/ou d'au moins une surface (110) de la barre-coupe (108) concernant des points defectueux, une reconnaissance d'image automatique est exécutée par l'unité d'inspection de surface (42) moyennant une unité de commande (28) de l'appareil de réglage et/ou de mesure d'outil (14).
  10. Procédé selon l'une des revendications 5, 6, 8 ou 9,
    caractérisé en ce qu'en cas d'une identification d'au moins un point defectueux un message d'avertissement est déclenché par l'unité d'inspection de surface (42) et/ou par l'unité d'inspection de contour (32).
  11. Procédé au moins selon le préambule de la revendication 1, en particulier selon l'une des revendications précédentes,
    caractérisé en ce que la concentricité est enregistrée haptiquement au moins par une unité tactile (46) de l'appareil de réglage et/ou de mesure d'outil (14).
  12. Appareil de réglage et/ou de mesure d'outil (14)
    avec une unité optique (16) comprenant un ensemble de mesure avec une caméra à lumière transmise (24) et/ou un ensemble de mesure avec une caméra à lumière incidente, et
    avec une unité d'enregistrement de barres-support et/ou de barres-coupe (22) qui est prévue pour enregistrer sans contact, par l'unité optique (16), moyennant un procédé selon l'une des revendications précédentes, au moins un paramètre d'au moins un outil (12), en particulier d'un alésoir (20), et/ou d'au moins une barre-support (10) et/ou d'au moins une barre-coupe (108) d'un outil (12), en particulier d'un alésoir (20).
  13. Système (48)
    avec au moins un appareil de réglage et/ou de mesure d'outil (14) comprenant une unité d'enregistrement de barres-support et/ou de barres-coupe (22) selon la revendication 12 et
    avec au moins un outil (12), en particulier un alésoir (20), comprenant en particulier des barres-support (10) et/ou au moins une barre-coupe.
EP18187181.5A 2017-08-04 2018-08-03 Procédé de mesure de baguettes de support et / ou d'outils comportant au moins une réglette de coupe Active EP3437796B1 (fr)

Applications Claiming Priority (2)

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DE102017117756 2017-08-04
DE102017121427.5A DE102017121427A1 (de) 2017-08-04 2017-09-15 Verfahren zur Vermessung von Stützleisten und/oder zumindest eine Schneidleiste aufweisenden Werkzeugen

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EP3437796B1 true EP3437796B1 (fr) 2023-01-25

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Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4343404A1 (de) * 1993-12-18 1995-06-22 Gildemeister Devlieg System Verfahren und Vorrichtung zum Einstellen von Reibahlen und dergleichen
JP5832083B2 (ja) * 2010-10-27 2015-12-16 株式会社牧野フライス製作所 工具寸法の測定方法及び測定装置
DE112014006253T5 (de) * 2014-01-24 2016-10-27 Mitsubishi Electric Corporation Werkzeugformmessvorrichtung und Werkzeugformmessverfahren

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